Sökning: "Torbjörn Pettersson"
Visar resultat 11 - 15 av 17 avhandlingar innehållade orden Torbjörn Pettersson.
11. Determination of the Environmental Fate of Drug Substances and the Matrix Effects of Complex Samples in SFC/ESI-MS
Sammanfattning : Awareness of the potential problems caused by drug compounds in the environment has increased over the last decade, both among researchers and with the public. This thesis describes the development of analytical methods and their application to wetlands constructed for purification of wastewater from e.g. drug compounds. LÄS MER
12. LDPE/AI203 Nanocomposites and Reduced Graphene Oxide Filled PDMS used as Insulating and Electric Field Grading Materials in HVDC Cable Systems
Sammanfattning : .... LÄS MER
13. Separation of Pharmaceuticals by Capillary Electrophoresis using Partial Filling and Multiple-injections
Sammanfattning : Different multiple-injection methodologies and the partial filling technique (PFT) have been utilized for separation of pharmaceuticals by capillary elec-trophoresis. In multiple-injection capillary zone electrophoresis (MICZE), the samples and all standards, used for construction of the calibration curve, are analyzed within a single run. LÄS MER
14. Colloidal interactions and arrested dynamics of cellulose nanofibrils
Sammanfattning : Over the past decades, concerns for the environment have increased and efforts to achieve a sustainable society have intensified. One particular challenge is to replace fossil-based plastics with biodegradable materials produced from renewable resources. LÄS MER
15. Flerspråkiga matematikklassrum : Diskurser i grundskolans matematikundervisning
Sammanfattning : The aim of this thesis is to investigate and analyze practices in multilingual mathematics classrooms in compulsory school in Sweden. By using ethnographic methods, mainly participant observation, data were collected in a number of multilingual mathematics classrooms in suburban areas of a major city. LÄS MER